Re: [kvm-devel] [ToDo] Real Mode Support

2008-02-06 Thread Izik Eidus
On Wed, 2008-02-06 at 08:33 +0100, Guillaume Thouvenin wrote: Hello, I read on the kvmwiki/TODO that there is a work in progress for extending x86 emulator to support more instructions in real mode and for changing the execution loop to call the emulator for real mode. As I'm

Re: [kvm-devel] [ToDo] Real Mode Support

2008-02-06 Thread Guillaume Thouvenin
On Wed, 06 Feb 2008 10:52:54 +0200 Izik Eidus [EMAIL PROTECTED] wrote: i am not expert for the emulator area, but as far as i remember: virtual 8086 have some checks related to segments (the big mode problem), it mean that for some addresses it wont be able to execute anything, you will

Re: [kvm-devel] [ToDo] Real Mode Support

2008-02-06 Thread Izik Eidus
On Wed, 2008-02-06 at 13:07 +0100, Guillaume Thouvenin wrote: On Wed, 06 Feb 2008 10:52:54 +0200 Izik Eidus [EMAIL PROTECTED] wrote: i am not expert for the emulator area, but as far as i remember: virtual 8086 have some checks related to segments (the big mode problem), it mean

Re: [kvm-devel] [kvm-ppc-devel] [PATCH] Add print for PowerPC qemu for failed DCR read/writes

2008-02-06 Thread Hollis Blanchard
Yeah, rate-limiting makes sense. Maybe we could take it one step further and only print the warning the first time a particular unemulated DCR is accessed. I also agree about the captalization. :) -- Hollis Blanchard IBM Linux Technology Center On Wed, 2008-02-06 at 12:25 +0100, Christian

Re: [kvm-devel] [ToDo] Real Mode Support

2008-02-06 Thread Izik Eidus
On Wed, 2008-02-06 at 11:32 -0600, Anthony Liguori wrote: Guillaume Thouvenin wrote: Hello, I read on the kvmwiki/TODO that there is a work in progress for extending x86 emulator to support more instructions in real mode and for changing the execution loop to call the emulator for

Re: [kvm-devel] Guest memory usage

2008-02-06 Thread Anthony Liguori
Dietmar Maurer wrote: Hi Anthony, The problem is that memory always grows, even after rebooting the VM. When you start a VM, none of the memory for that VM has been reserved by Linux regardless of what you specify in the '-m' parameter. Instead, as the guest starts to access memory,

Re: [kvm-devel] [PATCH] Fix to kvm_arch_vcpu_ioctl_set_sregs so that set_cr0 works properly

2008-02-06 Thread Joerg Roedel
On Wed, Feb 06, 2008 at 11:02:35AM +, Paul Knowles wrote: mmu_reset_needed |= vcpu-arch.cr0 != sregs-cr0; - vcpu-arch.cr0 = sregs-cr0; kvm_x86_ops-set_cr0(vcpu, sregs-cr0); Why should this fix anything? The vcpu-arch.cr0 is also set in kvm_x86_ops-set_cr0() aka

Re: [kvm-devel] [ToDo] Real Mode Support

2008-02-06 Thread Kamble, Nitin A
I am still holding to few patches for big real mode. After rebase I will push those patches. Thanks Regards, Nitin Linux Open Source Technology Center, Intel Corporation The Mind is like a parachute; it works much